Perforating attachment for a printing press



FIG. 1 is a perspective view of a perforating attachment for a printing press showing my new design;

FIG. 2 is a top plan view;

FIG. 3 is a right side elevation;

FIG. 4 is a bottom plan view;

FIG. 5 is a left side elevation;

FIG. 6 is a front end elevation; and

FIG. 7 is a rear end elevation. 

The ornamental design for perforating attachment for a printing press, as shown. 